57101232 has 160 divisors (see below), whose sum is σ = 171417600. Its totient is φ = 16257024.

The previous prime is 57101227. The next prime is 57101263. The reversal of 57101232 is 23210175.

It is a junction number, because it is equal to n+sod(n) for n = 57101199 and 57101208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 449553 + ... + 449679.

It is an arithmetic number, because the mean of its divisors is an integer number (1071360).

Almost surely, 2^57101232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57101232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85708800).

57101232 is an abundant number, since it is smaller than the sum of its proper divisors (114316368).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57101232 is a wasteful number, since it uses less digits than its factorization.

57101232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203 (or 197 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 57101232 is about 7556.5357142013. The cubic root of 57101232 is about 385.0778096515.

The spelling of 57101232 in words is "fifty-seven million, one hundred one thousand, two hundred thirty-two".